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Astronomical Agenda 2018

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EPHEMERIS CALENDAR

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VISIBILITY CHART
(Planets & Moon)

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TABLES: EARTH-SUN

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TABLES: MOON

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TABLES: PLANETS

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ECLIPSES

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METEOR SHOWERS

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ASTRONOMY AND SCIENCE CELEBRATIONS

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HISTORICAL ANNIVERSARIES

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LINKS

0

Annual Ephemeris Calendar

All the astronomical ephemeris in this calendar are expressed in Universal Time.

Download the calendar for 2018 : HERE

You can find in the calendar:

  • Beginning of the seasons
  • Perihelion & aphelion
  • Lunar phases
  • Perigee & apogee of the Moon
  • Maximum elongations, conjunctions & oppositions of the planets
  • Solar & Lunar eclipses

1

Visibility Charts

You can find in the charts:

  • Information about the visibility of the planets in the sky for the whole year
  • Planetary conjunctions, maximum elongations and brightness of Mercury and Venus, and the oppositions of the superior planets
  • Sunrise and Moonrise/ Sunset and Moonset
  • Beginning of the seasons

The charts are calculated to latitude 40ºN

All the times are in Universal Time

DOWNLOAD: 2018

Check the instructions here. (in catalan)

carta2018 40N ca.png

2

Earth-Sun

Changes of Season (TU)

  Data Time
Spring 20 March 16 h 15 m UT
Summer 21 June 10 h 07 m UT
Autumn 23 September 01 h 54 m UT
Wintern 21 December 22 h 22 m UT
Calculate sunrise and sunset

Earth's orbit

  Date Distance to the Sun
Perihelion (Min. diustance) 3 January 147097238 km
Aphelion (Max. distance) 6 July 152095571 km

3

Moon

Lunar Phases (UT)

New Moon First Quarter Full Moon Third Quarter
    02/01/2018 08/01/2018
17/01/2018 24/01/2018 31/01/2018 07/02/2018
15/02/2018 23/02/2018 02/03/2018 09/03/2018
17/03/2018 24/03/2018 31/03/2018 08/04/2018
16/04/2018 22/04/2018 30/04/2018 08/05/2018
15/05/2018 22/05/2018 29/05/2018 06/06/2018
13/06/2018 20/06/2018 28/06/2018 06/07/2018
13/07/2018 19/07/2018 27/07/2018 04/08/2018
11/08/2018 18/08/2018 26/08/2018 03/09/2018
09/09/2018 16/09/2018 25/09/2018 02/10/2018
09/10/2018 16/10/2018 24/10/2018 31/10/2018
07/11/2018 15/11/2018 23/11/2018 30/11/2018
07/12/2018 15/12/2018 22/12/2018 29/12/2018

Moon's orbit (TU)

Perigee* ((Minimum distance) Apogee (Maximum distance)
01 January 30 January 27 February 15 January 11 February 11 March
26 March 20 April 17 May 08 April 06 May 02 June
14 June 13 July 10 August 30 June 27 July 23 August
08 September 05 October 31 October 20 September 17 October 14 November
26 November 24 December     12 December  

4

Planet information (TU) :

Planet-Planet conjunctions, Star-Planet conjunctions

Day Time (TU) Phenomenon
     
07 January 00:39 h Mars-Jupiter: 0.2°
     
13 January 07:58 h Mercury-Saturno: 0.7°
     
11 Februry 16:40 h Mars-Antares: 5.1°
     
19 March 07:51 h Mercury-Venus: 3.8°
     
02 April 19:02 h Mars-Saturn: 1.3°
     
24 April 16:47 h Venus-Pleiades: 3.5°
     
02 May 13:24 h Venus-Aldebaran: 6.4°
     
08 June 03:35 h Venus-Pollux: 4.7°
     
24 June 21:35 h Mercury-Pollux: 4.8°
     
09 July 23:36 h Venus-Regulus: 1°
     
01 September 04:45 h Venus-Spica: 1.2°
     
16 October 02:32 h Mercury-Venus: 6.2°
     
29 October 06:28 h Mercury-Jupiter: 3.1°
     
09 noviembre 04:56 h Mercury-Antares: 1.8°
     
14 November 23:23 Venus-Spica: 1.5°
     
21 December 19:49 h Mercury-Jupiter: 0.8°
     
22 December 08:03 h Mercury-Antares: 6°
     
22 December 15:08 h Jupiter-Antares: 5.2°
     

Conjunctions, Oppositions, Elongations

Mercury

Day Hora (TU) Phenomenon
     
01 January 19:59 h Max. West Elong (22,7º)
     
17 January 12:08 h Sup. Conj.
     
15 March 14:59 h Max. East Elong (18,4º)
     
01 April 17:47 h Inferior Conj.
     
29 April 17:59 h Max. West Elong (27º)
     
06 June 01:53 h Sup. Conj.
     
12 July 04:59 h Max. East Elong (26,4º)
     
09 August 01:59 h Inferior Conj.
     
26 August 19:59 h Max. West Elong (18,3ª)
     
21 September 01:47 h Sup. Conj.
     
06 November 14:59 h Max. East Elong (23,3º)
     
27 November 09:10 h Inferior Conj.
     
15 December 10:59 h Max. West Elong (21,3º)

Venus

Day Time Phenomenon
09 January 06:16 h Sup. Conj.
17 August 15:59 h Max. East Elong (45,9º)

Mars

Day Time Phenomenon
27 July 06 h Opposition

Jupiter

Day Time Phenomenon
09 May 00:10 h Opposition
26 November 06:25 h Conjunction

Saturn

Day Time Phenomenon
27 June 12:25 h Opposition

Uranus

Day Time Phenomenon
18 April 14:35 h Conjunction
24 October 00:43 h Opposition

Neptunus

Day Time Phenomenon
04 March 13:32 h Conjunction
07 September 17:19 h Opposition

5

Eclipses

màxim App for calculating Eclipses and Transits

Solar Eclipses

Type Day Hour of the maximum Visibility
Parcial 15 February 20:52 UT Visible from Antartica, and from the south of South America, mapa
Parcial 13 July 03:21 UT Visible from Australia, mapa
Parcial 11 August 09:47 UT Visible from North Europa, north east Asia, mapa

màxim
Astronomical Agenda:
Partial Solar Eclipse, August 11th visible from N. Europe & N.E. Asia.

Lunar Eclipses

Type Day Hour of the maximum Visibility
Total 31 January 13h 30m UT Asia, Australia, Pacific, Oest de North America
Total 27 July 20h 22m UT Sud America, Europa, Africa, Asia, Australia.

màxim
Astronomical Agenda:
Total Lunar Eclipse on July 27th

Other phaenomena

6

Meteor Showers

Name Days Maximum aprox Constelation around the radiant Meteors per hour (aprox)
Quadrantids 1-5 January 3 January- 20_19 Bootes 120
Lyrids 15-28 April 22 April - 17:49 Lyra 20
Eta-Aquarids 19 April - 28 May 5 May -07:03 Aquarius 60
Arietids 22 May-2 July 7 June Aries 54
Delta aquarids 12 July-19 August 28 July - 08:50 Aquarius 20
Perseids 17 July - 24 August 13 August- 00:44 Perseus 90
Orionids 2 October-7 November 21October- 17:03 October Orion 20
Leonids 14 - 21 November 17 November- 23:05 Leo 15
Geminids 7 17 December 14 December - 12:16 Gemini 120
Perseids 2018

Monography on the meteor showers (Catalan)

7

Astronomy and Science Celebrations

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11 February,
International Day of the girl and woman in Science

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12 April,
International Day of Human Space Flight

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30 de June,
Asteroid Day

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4-10 October
World Space Week

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11 November Week,
Internatiol Science Week

8

Historical Anniversaries

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November 1998, Zarià is launched
The first module of the International Space Station to be launched

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December 1968, Apollo 8 is launched
The first manned spacecraft to leave Earth orbit, reach the Earth's Moon, orbit it and return safely to Earth

9

Links

  1. Ephemerides from the Observatorio Astronómico Nacional
  2. Astronomical Agenda from the l'Instituto Geográfico Nacional
  3. Space calendar : Astronomical events information on JPL.
  4. NASA Sky events calendar
  5. Mr. Eclipse, els propers eclipses
  6. Eclipse Homepage de la NASA

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